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authorJavier Martinez Canillas <martinez.javier@gmail.com>2010-07-30 18:51:51 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2010-08-02 18:25:27 -0700
commit3457912e0e4d42297aa37fe27a331516b684e91c (patch)
treedc8e318afc62eb52dc99e65a598e2b84dd6ea5e8 /drivers/staging/quatech_usb2
parent9092de6df330265f0cbfca496386d329ec8c2aa5 (diff)
Staging: quatech_usb2: remove unused qt2_box_flush function
In today linux-next I got a compilation warning: drivers/staging/quatech_usb2/quatech_usb2.c:1852: warning: ‘qt2_box_flush’ defined but not used Signed-off-by: Javier Martinez Canillas <martinez.javier@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/quatech_usb2')
-rw-r--r--drivers/staging/quatech_usb2/quatech_usb2.c24
1 files changed, 1 insertions, 23 deletions
diff --git a/drivers/staging/quatech_usb2/quatech_usb2.c b/drivers/staging/quatech_usb2/quatech_usb2.c
index ecd73135b319..9838ea279c5c 100644
--- a/drivers/staging/quatech_usb2/quatech_usb2.c
+++ b/drivers/staging/quatech_usb2/quatech_usb2.c
@@ -258,8 +258,6 @@ static int qt2_box_get_register(struct usb_serial *serial,
static int qt2_box_set_register(struct usb_serial *serial,
unsigned short Uart_Number, unsigned short Register_Num,
unsigned short Value);
-static int qt2_box_flush(struct usb_serial *serial, unsigned char uart_number,
- unsigned short rcv_or_xmit);
static int qt2_boxsetuart(struct usb_serial *serial, unsigned short Uart_Number,
unsigned short default_divisor, unsigned char default_LCR);
static int qt2_boxsethw_flowctl(struct usb_serial *serial,
@@ -645,9 +643,6 @@ static void qt2_close(struct usb_serial_port *port)
/* get the device private data */
port_extra = qt2_get_port_private(port); /* port private data */
- /* we don't need to force flush though the hardware, so we skip using
- * qt2_box_flush() here */
-
/* we can now (and only now) stop reading data */
port_extra->close_pending = true;
dbg("%s(): port_extra->close_pending = true", __func__);
@@ -1841,24 +1836,6 @@ static int qt2_box_set_register(struct usb_serial *serial,
return result;
}
-
-/** @brief Request the Tx or Rx buffers on the USB side be flushed
- *
- * Tx flush: When all the currently buffered data has been sent, send an escape
- * sequence back up the data stream to us
- * Rx flush: add a flag in the data stream now so we know when it's made it's
- * way up to us.
- */
-static int qt2_box_flush(struct usb_serial *serial, unsigned char uart_number,
- unsigned short rcv_or_xmit)
-{
- int result;
- result = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
- QT2_FLUSH_DEVICE, 0x40, rcv_or_xmit, uart_number, NULL, 0,
- 300);
- return result;
-}
-
/** qt2_boxsetuart - Issue a SET_UART vendor-spcific request on the default
* control pipe. If successful sets baud rate divisor and LCR value.
*/
@@ -1873,6 +1850,7 @@ static int qt2_boxsetuart(struct usb_serial *serial, unsigned short Uart_Number,
QT2_GET_SET_UART, 0x40, default_divisor, UartNumandLCR,
NULL, 0, 300);
}
+
/** qt2_boxsethw_flowctl - Turn hardware (RTS/CTS) flow control on and off for
* a hardware UART.
*/